Question

$\frac{3a-1}{8} = \frac{a+9}{4}$

Answer 1

Answer:

a = 19

Step-by-step explanation:

$\frac{3a - 1}{8} = \frac{a + 9}{4}$

$4(3a - 1) = 8(a + 9)$

$12a - 4 = 8a + 72$

$12a - 8a = 72 + 4$

$4a = 76$

$a = 76 \div 4$

$a = 19$